Home / 3,666.76-5,490.30-3,083.56

Finding the Fourth Proportional to 3,666.76, 5,490.30 and 3,083.56

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Solution

The fourth proportional to 3,666.76, 5,490.30 and 3,083.56 is: 4,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.76 : 5,490.30 = 3,083.56 : x
  2. Step 2: Convert to fraction form
    3,666.76/5,490.30 = 3,083.56/x
  3. Step 3: Cross multiply
    3,666.76x = 5,490.30 × 3,083.56
  4. Step 4: Simplify right side
    3,666.76x = 16,929,669.47
  5. Step 5: Solve for x
    x = 16,929,669.47/3,666.76
  6. Step 6: Final answer
    x = 4,617.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.